Glossar
y
Glossary
Acce
ss Module
Indoo
r part of MINI-LINK E. It consists of
an AM
M equipped with indoor plug-in units
(MMU
, SMU and SAU) for one or several
term
inals (up to four radios)
AFC
Automatic Frequency Control
AGC
Automatic Gain Control
AIS
Alarm Indication Signal
Alignment Port
Test port that indicates received signal level
used for antenna alignment (AGC, Automatic
Gain Control)
AM
Access Module
AMM
Access Module Magazine
ASK
Amplitude Shift Keying
BER
Bit Error Ratio
BSC
Base Station Controller
BTS
Base Transceiver Station
C-QPSK
Constant envelope offset - Quadrature Phase
Shift Keying
CSS
Control and Super vision System, that
supports building of networks for operation
and maintenance.
CW
Conti
nuous Wave
DC
Direct Current
DCN
Data Communication Network
DDU
DC Distribution Unit
DXX
Digital Cross-connector
EAC
External Alar m Channel
ETSI
European Telecommunications Standards
Institute
ETU
Ethernet Interface Unit
Far-end
The terminal with which the near-end terminal
communicates
FAT
File Allocation Table
FEC
Forward Error Correction
HCC
Hop Communication Channel
HDB3
High Density Bipolar code with a maximum
of 3 consecutive zeros
HDLC
High-level Data Link Control. Transmission
protocol used at the data link layer (layer 2)
of the OSI model.
175
AE/LZT 110 2012 R8C 2002-03-04
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